{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936976796",
    "entityType": "User",
    "nonce": "0x0158925e64ca33acf809ed151226f091a97a2ac6bbb84ef5d6ed072770b74948",
    "signature": "0xd82caaded75461a6a9a85b9595ef9c7dcf539a283049a64af2823a658090b4422820ecbda84244ccb628cc2c7343ddb296ca877bd50821e07917af906b9ec5e41c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}